Cita APA (7th ed.)
ebrary, Inc, Boucek, C., & Ottaway, M. (2010). Yemen on the brink. Carnegie Endowment for International Peace.
Cita Chicago (17th ed.)
ebrary, Inc, Christopher Boucek, i Marina Ottaway. Yemen on the Brink. Washington, D.C.: Carnegie Endowment for International Peace, 2010.
Cita MLA (9th ed.)
ebrary, Inc, et al. Yemen on the Brink. Carnegie Endowment for International Peace, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.